1. How do I Manage Hide/Show Payment Icon
In WordPress Dashboard go to the Appearance submenu and click on Customize.
After clicking on customizing you will in theme Customizer.
Here you have to click on Footer Section than Payment Icon
In the Setting tab, you can hide and show the Payment Icon by clicking on the hide/show button.
Go to Customize -> Footer Section -> Payment Icon -> Settings -> Hide/Show Section
2. How do I Manage Payment Icon Content
In WordPress Dashboard go to the Appearance submenu and click on Customize.
After clicking on customizing you will in theme Customizer.
Here you have to click on Footer Section than Payment Icon
In the Content tab, you will see a list of icons to add these icons you have to select an icon from the dropdown list & here you can also add icon links.
Go to Customize -> Footer Section -> Payment Icon -> Content -> Payment Icon